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Finding the Fourth Proportional to 5,865.03, 8,809.80 and 4,987.41

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Solution

The fourth proportional to 5,865.03, 8,809.80 and 4,987.41 is: 7,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.03 : 8,809.80 = 4,987.41 : x
  2. Step 2: Convert to fraction form
    5,865.03/8,809.80 = 4,987.41/x
  3. Step 3: Cross multiply
    5,865.03x = 8,809.80 × 4,987.41
  4. Step 4: Simplify right side
    5,865.03x = 43,938,084.62
  5. Step 5: Solve for x
    x = 43,938,084.62/5,865.03
  6. Step 6: Final answer
    x = 7,491.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.